There are 20 townships in Washtenaw County. Here are their boundary corners.

County wide: county roads

• Augusta Township - 1874 map - drain map. NW: Bemis and Munger. NE: Bemis and Rawsonville. SW: Milan-Oakville and Sanford. SE: Oakville-Waltz and Rawsonville.
• York - North Bemis Road, south Milan-Oakville Road and Hack Road, east Maple Road, west Munger Road
• Saline - North Bemis Road, south Hack Road, west Parker Road, east Maple Road
• Bridgewater - North Bemis Road, south Hack Road, west Sheridan Road, east Parker Road
• Manchester - North Sharon Valley Road, south US-12, west Watkins Road, east Sheridan Road